The paper publishes the bilateral Greek inscription occasionally found in Nedvigovka village on Don Estuary at late 1980 years. Her reverse side presents the dating formula from the period of bosporan King Tiberius Julius Eupator with new court post of ὁ ἐπὶ τῶν Ταναειτῶν τῶν κατὰ Βόσπορον. The avers side preserved some little fragments of name’s list from the time of bosporan King Sauromates I. Besides many corrigenda to interpretation of toponyms Tanais and Emporion, to reconstruction & notion of before published inscriptions are proposed.